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ELEMENTS OF LOGIC.

ELEMENTS OF LOGIC,

COMPRISING

THE SUBSTANCE OF THE ARTICLE

IN THE

ENCYCLOPEDIA METROPOLITANA:

WITH ADDITIONS, &c.

BY RICHARD WHATELY, D. D.

ARCHBISHOP OF DUBLIN.

STEREOTYPE EDITION.

BOSTON:

JAMES MUNROE AND COMPANY.

NEW YORK: COLLINS, KEESE, AND COMPANY.
PHILADELPHIA: THOMAS, COWPERTHWAIT, AND COMPANY.

1843.

WIG 1343

02-2733 Ling

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To enumerate the advantages I have derived from your instructions, both in regular lectures and in private conversation, would be needless to those acquainted with the par. ties, and to the Public, uninteresting. My object at present is simply to acknowledge how greatly I am indebted to you in respect of the present Work; not merely as having originally imparted to me the principles of the Science, but also as having contributed remarks, explanations, and illustrations, relative to the most important points, to so great an amount that I can hardly consider myself as the Author of more than half of such portions of the treatise as are not borrowed from former publications. I could have wished, indeed, to acknowledge this more explicitly, by marking with some note of distinction those parts which are least my own. But I found it could not be done. In most instances there is something belonging to each of us; and even in those parts where your share is the largest, it would not be fair that you should be made responsible for any thing that is not entirely your own. Nor is it possible, in the case of a Science, to remember distinctly how far one has been, in each instance, indebted to the suggestions of another. Infor

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